Selection and evaluaation of dairy sires
Spalding, R.W. and Others
Selection and evaluaation of dairy sires - Ithaca 1963 - 1-15 p. - New York College of Agricultural. Cornell Extension Bulletin No. 1118 .
Selection and evaluaation of dairy sires - Ithaca 1963 - 1-15 p. - New York College of Agricultural. Cornell Extension Bulletin No. 1118 .